KEY DETAILS High-density polyethylene POLYWOOD® frame. Marine-grade quality hardware. POLYWOOD® lumber is a blend of plastics, including recycled milk jugs and detergent bottles. All-weather and built to withstand a range of climates, from hot sun and snowy winters to strong coastal winds. Does not stain, splinter, crack, chip, peel, rot or corrode. Cleans easily with soap, water and a soft-bristle brush. Assembled in the USA from recycled materials.